Search a number
-
+
555854481 = 38731319
BaseRepresentation
bin100001001000011…
…010101010010001
31102201221100000000
4201020122222101
52114244320411
6131053520213
716526454000
oct4110325221
91381840000
10555854481
11265846776
121361a3069
138b2101a0
1453b74c37
1533bec956
hex2121aa91

555854481 has 144 divisors (see below), whose sum is σ = 1102192000. Its totient is φ = 277766496.

The previous prime is 555854479. The next prime is 555854531. The reversal of 555854481 is 184458555.

555854481 is a `hidden beast` number, since 5 + 558 + 54 + 48 + 1 = 666.

It is not a de Polignac number, because 555854481 - 21 = 555854479 is a prime.

It is a super-2 number, since 2×5558544812 = 617948408095558722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (555854401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 29255490 + ... + 29255508.

Almost surely, 2555854481 is an apocalyptic number.

It is an amenable number.

555854481 is a deficient number, since it is larger than the sum of its proper divisors (546337519).

555854481 is an frugal number, since it uses more digits than its factorization.

555854481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 42 counting only the distinct ones).

The product of its digits is 640000, while the sum is 45.

The square root of 555854481 is about 23576.5663530549. The cubic root of 555854481 is about 822.2181077148.

The spelling of 555854481 in words is "five hundred fifty-five million, eight hundred fifty-four thousand, four hundred eighty-one".

Divisors: 1 3 7 9 13 19 21 27 39 49 57 63 81 91 117 133 147 171 189 243 247 273 343 351 399 441 513 567 637 729 741 819 931 1029 1053 1197 1323 1539 1701 1729 1911 2187 2223 2457 2793 3087 3159 3591 3969 4459 4617 5103 5187 5733 6517 6561 6669 7371 8379 9261 9477 10773 11907 12103 13377 13851 15309 15561 17199 19551 20007 22113 25137 27783 28431 32319 35721 36309 40131 41553 45927 46683 51597 58653 60021 66339 75411 83349 84721 85293 96957 107163 108927 120393 124659 140049 154791 175959 180063 199017 226233 250047 254163 290871 321489 326781 361179 420147 464373 527877 540189 597051 678699 750141 762489 872613 980343 1083537 1260441 1393119 1583631 1620567 2036097 2250423 2287467 2941029 3250611 3781323 4179357 4750893 6108291 6862401 8823087 9751833 11343969 14252679 20587203 26469261 29255499 42758037 61761609 79407783 185284827 555854481